Home / 25,853.28-38,698.89-17,801.07

Finding the Fourth Proportional to 25,853.28, 38,698.89 and 17,801.07

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Solution

The fourth proportional to 25,853.28, 38,698.89 and 17,801.07 is: 26,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,853.28 : 38,698.89 = 17,801.07 : x
  2. Step 2: Convert to fraction form
    25,853.28/38,698.89 = 17,801.07/x
  3. Step 3: Cross multiply
    25,853.28x = 38,698.89 × 17,801.07
  4. Step 4: Simplify right side
    25,853.28x = 688,881,649.81
  5. Step 5: Solve for x
    x = 688,881,649.81/25,853.28
  6. Step 6: Final answer
    x = 26,645.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.